Beat Pins
Small screws or pins to adjust the position of the crutch in relation to the pendulum. The pins at the end of the gravity arms that give impulse to the pendulum in a gravity escapement.
How to true a balance, repair a chipped dial, temper a spring or test a stone — the working bench-book of the American watch trade, arranged A to Z.
Small screws or pins to adjust the position of the crutch in relation to the pendulum. The pins at the end of the gravity arms that give impulse to the pendulum in a gravity escapement.